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Entities allowed between slashes on a protocol relative URL

You can place whitespace between slashes, this vector finds out what entities you can place in between them.

Shazzer Master

Created byhackvertor

Created Jul 6, 2024

Updated May 27, 2025

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CategoryEntity Parsing

VisibilityPublic

TypeJS

CharsetUTF-8

$[data1] placeholderhtml_entities

Code used before fuzz:

const div = document.createElement('div')

Template used:

div.innerHTML='<a href="/$[data1]/example.com">';
if(div.querySelector('a').host === 'example.com') {
   log('$[data1]');
}

Sample payloads

div.innerHTML='<a href="/&bsol;/example.com">';
if(div.querySelector('a').host === 'example.com') {
   alert('&bsol;');
}

div.innerHTML='<a href="/&NewLine;/example.com">';
if(div.querySelector('a').host === 'example.com') {
   alert('&NewLine;');
}

div.innerHTML='<a href="/&sol;/example.com">';
if(div.querySelector('a').host === 'example.com') {
   alert('&sol;');
}

div.innerHTML='<a href="/&Tab;/example.com">';
if(div.querySelector('a').host === 'example.com') {
   alert('&Tab;');
}